3.1.3.66 phosphatidylinositol-3,4-bisphosphate 4-phosphatase; inositol-3,4-bisphosphate 4-phosphatase; D-myo-inositol-3,4-bisphosphate 4-phosphohydrolase; phosphoinositide 4-phosphatase; inositol polyphosphate 4-phosphatase; inositol polyphosphate 4-phosphat • • •